Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{(2-3+4)^{2}}{2}$$

Answer

9/2

Solution


Simplify  \(2-3\)  to  \(-1\).
\[\frac{{(-1+4)}^{2}}{2}\]
Simplify  \(-1+4\)  to  \(3\).
\[\frac{{3}^{2}}{2}\]
Simplify  \({3}^{2}\)  to  \(9\).
\[\frac{9}{2}\]

Decimal Form: 4.5

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